| 1 | 2177 | American Association for Cancer Research |  | 1418 | 227 | 2538 | 3879 |
| 2 | 4967 | Abramson Center for Jewish Life | | 6394 | 3208 | 2538 | 3879 |
| 3 | 5513 | Academy of Radiology Research | | 5659 | 4059 | 2538 | 3879 |
| 4 | 5646 | American Center for Physics | | 7483 | 3986 | 2538 | 3879 |
| 5 | 2906 | Atmospheric Environmental Research Inc | | 4067 | 1565 | 1938 | 3879 |
| 6 | 5687 | Affymax Research Institute | | 7954 | 3665 | 2538 | 3879 |
| 7 | 7235 | Army Geospatial Center (Topographic Engineering Center) | | 5984 | 6734 | 2538 | 3879 |
| 8 | 4836 | Texas AgriLife Research | | 6869 | 2961 | 2538 | 3879 |
| 9 | 3417 | American Institute of Baking | | 2526 | 1223 | 2538 | 3879 |
| 10 | 3545 | Agricultural Institute of Canada |  | 591 | 1523 | 2538 | 3879 |
| 11 | 5931 | American Institute for Maghrib Studies | | 7502 | 4449 | 2538 | 3879 |
| 12 | 6209 | Alaska Bird Observatory | | 7796 | 4735 | 2538 | 3879 |
| 13 | 3295 | Alaska Sea Life Center | | 4935 | 1157 | 2509 | 3879 |
| 14 | 4542 | Alliance for Clinical Trials in Oncology (Cancer Leukemia Group B) | | 5007 | 2689 | 2538 | 3879 |
| 15 | 3341 | Altarum Institute | | 3887 | 1081 | 2538 | 3879 |
| 16 | 7711 | VA Health Care System Amarillo | | 7275 | 7446 | 2538 | 3879 |
| 17 | 3716 | Animal Medical Center | | 3449 | 1555 | 2538 | 3879 |
| 18 | 3046 | American Geosciences Institute (American Geological Institute) | | 919 | 874 | 2538 | 3879 |
| 19 | 1588 | Center for American Progress | | 545 | 65 | 2538 | 3879 |
| 20 | 6977 | American Geotechnical | | 7823 | 6010 | 2538 | 3879 |
| 21 | 7896 | Center of Excellence for Limb Loss Prevention and Prosthetic | | 7482 | 7783 | 2538 | 3879 |
| 22 | 5161 | Andrews Sports Medicine And Orthopaedic Center | | 5632 | 3526 | 2538 | 3879 |
| 23 | 2556 | Academy of Natural Sciences of Philadelphia | | 496 | 506 | 2538 | 3879 |
| 24 | 3417 | Asia Pacific Center for Security Studies | | 3175 | 1192 | 2538 | 3879 |
| 25 | 8051 | Applied Mammal Research Institute | | 7630 | 8032 | 2538 | 3879 |
| 26 | 7916 | Advanced Platform Technology Center | | 6713 | 7862 | 2538 | 3879 |
| 27 | 6893 | AIDS Research Consortium of Atlanta | | 7879 | 5827 | 2538 | 3879 |
| 28 | 4365 | Arizona Oncology Associates | | 3302 | 2530 | 2538 | 3879 |
| 29 | 7546 | Arkansas Foot and Ankle Clinic | | 7879 | 7003 | 2538 | 3879 |
| 30 | 4823 | US Army Research Laboratory | | 1494 | 3377 | 2538 | 3879 |
| 31 | 1653 | Agricultural Research Service | | 156 | 437 | 1292 | 3879 |
| 32 | 7792 | Center for Arson Research | | 7767 | 7509 | 2538 | 3879 |
| 33 | 6010 | Arthritis Research Center Foundation Inc | | 6096 | 4753 | 2538 | 3879 |
| 34 | 4262 | Aspen Center for Physics | | 6529 | 2115 | 2538 | 3879 |
| 35 | 4074 | Asphalt Institute | | 5995 | 1879 | 2538 | 3879 |
| 36 | 5901 | Art Science Research Laboratory | | 7230 | 4452 | 2538 | 3879 |
| 37 | 7417 | Aberdeen Test Center | | 7350 | 6918 | 2538 | 3879 |
| 38 | 7118 | Atips Laboratory University of Calgary | | 7954 | 6042 | 2538 | 3879 |
| 39 | 4873 | Atrium Medical Corporation | | 5893 | 3117 | 2538 | 3879 |
| 40 | 1231 | National Audubon Society | | 391 | 71 | 1883 | 3879 |
| 41 | 2979 | Audubon Nature Institute | | 4426 | 698 | 2538 | 3879 |
| 42 | 3300 | Association of Universities for Research in Astronomy | | 4205 | 1001 | 2538 | 3879 |
| 43 | 6261 | Autonomous Undersea Systems Institute | | 7598 | 4905 | 2538 | 3879 |
| 44 | 4434 | Austen Riggs Center | | 4409 | 2563 | 2538 | 3879 |
| 45 | 2607 | Animal Welfare Institute | | 2972 | 451 | 2538 | 3879 |
| 46 | 6610 | Axio Research Corporation | | 7128 | 5577 | 2538 | 3879 |
| 47 | 6638 | Bay Area Environmental Research Institute | | 7409 | 5582 | 2538 | 3879 |
| 48 | 6143 | New Mexico Petroleum Recovery Research Center | | 7174 | 4822 | 2538 | 3879 |
| 49 | 3422 | Baptist Hospital | | 1724 | 1254 | 2538 | 3879 |
| 50 | 3295 | Barnes Jewish Hospital | | 1868 | 1102 | 2538 | 3879 |
| 51 | 7456 | Barnes Retina Institute | | 8011 | 6625 | 2538 | 3879 |
| 52 | 3162 | Barrow Neurological Institute of Saint Joseph's Hospital | | 3386 | 1193 | 2478 | 3879 |
| 53 | 7732 | Bath VA Medical Center VA Healthcare Network Upstate New York | | 6832 | 7507 | 2538 | 3879 |
| 54 | 7306 | VA Medical Center Battle Creek Michigan | | 6971 | 6767 | 2538 | 3879 |
| 55 | 5504 | Bauu Institute | | 7954 | 3410 | 2538 | 3879 |
| 56 | 2805 | Baylor Health Care System | | 3459 | 1889 | 1204 | 3879 |
| 57 | 5468 | Baylor Jack and Jane Hamilton Heart and Vascular Hospital | | 5311 | 4022 | 2538 | 3879 |
| 58 | 4301 | Bay Medical | | 5965 | 2231 | 2538 | 3879 |
| 59 | 2504 | British Columbia Cancer Research Centre | | 3848 | 2036 | 156 | 3879 |
| 60 | 2904 | Bd Biosciences Immunocytometry Systems | | 272 | 833 | 2538 | 3879 |
| 61 | 1310 | Bureau of Economic Analysis | | 1077 | 87 | 1859 | 3879 |
| 62 | 7634 | VA Medical Center Beckley West Virginia | | 7339 | 7303 | 2538 | 3879 |
| 63 | 3171 | Mason Research Institute | | 4122 | 2382 | 1484 | 3879 |
| 64 | 4171 | Berkshire Health Systems | | 2799 | 2254 | 2538 | 3879 |
| 65 | 3892 | Bernheim Arboretum and Research Forest | | 3148 | 1811 | 2538 | 3879 |
| 66 | 6563 | Bethany Medical Center | | 6929 | 5536 | 2538 | 3879 |
| 67 | 7061 | Black Hills Center for American Indian Health | | 7696 | 6220 | 2538 | 3879 |
| 68 | 7192 | Behavioral Health Research Center Southwest | | 8011 | 6139 | 2538 | 3879 |
| 69 | 2124 | Bigelow Laboratory for Ocean Sciences Phytoplankton | | 2685 | 1079 | 616 | 3879 |
| 70 | 7528 | VA Health Care System West Texas | | 7300 | 7098 | 2538 | 3879 |
| 71 | 7098 | VA Gulf Coast Veterans Health Care System | | 6667 | 6419 | 2538 | 3879 |
| 72 | 5310 | NIH Department of Clinical Bioethics | | 6531 | 3646 | 2538 | 3879 |
| 73 | 3483 | Biosphere 2 Center | | 6317 | 1132 | 2538 | 3879 |
| 74 | 2548 | Cornell Lab of Ornithology | | 479 | 500 | 2538 | 3879 |
| 75 | 7173 | VA Health Care System Black Hills | | 5902 | 6622 | 2538 | 3879 |
| 76 | 4983 | Breault Research Organization | | 3796 | 3429 | 2538 | 3879 |
| 77 | 4053 | BioDiversity Research Institute | | 5123 | 1912 | 2538 | 3879 |
| 78 | 4022 | Bronx Lebanon Hospital Center | | 4837 | 2412 | 2489 | 3879 |
| 79 | 6814 | Burzynski Research Institute, Inc | | 7744 | 5771 | 2538 | 3879 |
| 80 | 2402 | Center for Climate and Energy Solutions | | 3689 | 311 | 2538 | 3879 |
| 81 | 2034 | Cooperative Association for Internet Data Analysis | | 652 | 418 | 2290 | 3879 |
| 82 | 2603 | Center for Applied Linguistics | | 2196 | 464 | 2538 | 3879 |
| 83 | 5508 | California Ear Institute | | 6625 | 3919 | 2538 | 3879 |
| 84 | 6293 | Camcare Health Education and Research Institute | | 4884 | 5297 | 2538 | 3879 |
| 85 | 5488 | Campbell Clinic Medical Center | | 5844 | 3992 | 2538 | 3879 |
| 86 | 6045 | Campbell Foundation | | 7374 | 4643 | 2538 | 3879 |
| 87 | 4895 | Winthrop P. Rockefeller Cancer Institute University of Arkansas Medical Sciences | | 4416 | 3281 | 2538 | 3879 |
| 88 | 5332 | Cancer Center of Kansas | | 5633 | 3779 | 2538 | 3879 |
| 89 | 4797 | Cardiovascular Institute of the South | | 6019 | 2996 | 2538 | 3879 |
| 90 | 5675 | US Army War College at Carlisle Barracks | | 6027 | 4265 | 2538 | 3879 |
| 91 | 5824 | W B Carrell Memorial Clinic | | 6389 | 4468 | 2538 | 3879 |
| 92 | 4647 | Carrier Clinic | | 6127 | 2765 | 2538 | 3879 |
| 93 | 3880 | Catholic Health Initiatives | | 2917 | 1812 | 2538 | 3879 |
| 94 | 1842 | Center on Budget and Policy Priorities | | 1007 | 104 | 2538 | 3879 |
| 95 | 2748 | Canadian Centre for Architecture | | 621 | 645 | 2538 | 3879 |
| 96 | 7999 | Center for Chronic Disease Outcomes Research | | 7607 | 7952 | 2538 | 3879 |
| 97 | 7137 | Chronic Disease Research Group | | 7389 | 6417 | 2538 | 3879 |
| 98 | 6435 | Canberra Deep Space Communication Complex | | 7766 | 5137 | 2538 | 3879 |
| 99 | 2266 | Cedars Sinai Medical Center | | 1221 | 277 | 2538 | 3879 |
| 100 | 2170 | Competitive Enterprise Institute | | 805 | 240 | 2538 | 3879 |
